820484103 has 16 divisors (see below), whose sum is σ = 1110092256. Its totient is φ = 538982400.

The previous prime is 820484101. The next prime is 820484113. The reversal of 820484103 is 301484028.

It is not a de Polignac number, because 820484103 - 2¹ = 820484101 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (820484101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61753 + ... + 73853.

It is an arithmetic number, because the mean of its divisors is an integer number (69380766).

Almost surely, 2^820484103 is an apocalyptic number.

820484103 is a deficient number, since it is larger than the sum of its proper divisors (289608153).

820484103 is a wasteful number, since it uses less digits than its factorization.

820484103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12434.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 820484103 is about 28644.0936843881. The cubic root of 820484103 is about 936.1743194305.

The spelling of 820484103 in words is "eight hundred twenty million, four hundred eighty-four thousand, one hundred three".